	September 30, 2020		December 31, 2019
Raw materials	$	15,338	$	15,926
Work-in-process		59,863		53,973
Finished goods		14,716		17,962
Total	$	89,917	$	87,861

Inventory is written down for any obsolescence, spoilage and excess inventory or when the net realizable value of inventory is less than the carrying value. Inventory valuation adjustments included in cost of sales on the statements of net loss and comprehensive loss is comprised of the following:

	Three months ended September 30,				Nine months ended September 30,
	2020		2019		2020		2019
Raw materials	$	173	$	—	$	384	$	—
Work-in-process		11,164		201		30,656		726
Finished goods		2,106		—		5,076		—
Total	$	13,443	$	201	$	36,116	$	726

For the three and nine months ended September 30, 2020, cannabis products were written down by $13,318 and $31,626 (2019 – $124 and $610) and hemp products were written down by $125 and $4,490 (2019 – $77 and $116). In the three and nine months ended September 30, 2020, included in inventory valuation adjustments in cost of sales, $5,157 and $10,090 related to termination of a supply agreement; $4,934 relating to a loss on deposit payments for future purchases of inventory to secure supply (refer to Note 5) and $5,157 of additional termination penalties due to the same supplier. Also included in inventory valuation adjustments in cost of sales for the nine months ended September 30, 2020 is $1,800, relating to the destruction of unharvested flower as a result of the closure of the High Park Gardens facility (refer to Note 2).